If you get lost in the wilderness, don't panic. Most people are found within three days, so you'll need a solid plan to help you last until then.
Kirby is a world-class sailor and Olympian himself but he is most famous as the designer of a slew of boats known for their swiftness, and also their clarity and simplicity. The epitome of his ethos was a blockbuster, one that defined his career and the course of sailing more broadly: the single-person racing dinghy known as the Laser.
Every four years there’s a new ball for the World Cup—and every four years players are unhappy with it. Maybe it’s too light and has too much lift, like the 2002 Fevernova. Or maybe it wobbles unexpectedly in the air, making it harder for goalies to predict its motion, like the 2006 Teamgist. Or maybe the ball suddenly changes speed, dropping out of the air and causing accidental handballs, like the 2010 Jabulani.
Discoveries pushing back milestones in human development happen all the time. That can get confusing. So here’s a very basic (but not very brief) cheat sheet of the current research and findings—for the next time the origin of humanity comes up during happy hour.